public class PersonInfo {

  public static void main(String[] args) {
    byte age = 127;
    float floatNum = 10.12345678F;
    double doubleNum = 10.1234567890123456789;
    char c1 = 'a';
    char c2 = '阿';
    char c3 = '\t';
    char c4 = '\u0044';
    boolean t = true;
    if (t) {
      System.out.println("我是true");
    } else {
      System.out.println("我是false");
    }
    int i1 = c1 + 10;
    int i2 = c1 + 'k';
    byte i3 = 100;
    byte i4 = 10;
    int i5 = i3 + i4;
    int i6 = 129;
    short i7 = (byte)1288;
     String s1 = "我是string类型"; 
    // System.out.println("姓名：");
    // System.out.println();
    // System.out.println("性别： 男");
    // System.out.println("岁数: " + age);
    // System.out.println("浮点数: " + floatNum);
    // System.out.println("双精度: " + doubleNum);
    // System.out.println("c1: " + c1);
    // System.out.println("c2: " + c2);
    // System.out.println("c4: " + c4);
    System.out.println("i1: " + i1);
    System.out.println("i2: " + i2);
    System.out.println("i5: " + i5);
    System.out.println("i7: " + i7);
    System.out.println("s1: " + s1 + t);
    // System.out.println("住址： 北京市" + c3 + "东城区具 \n 名司马南");
  }
}
